WO2007094388A1 - 紙用柔軟剤およびそれを用いた紙の製造方法 - Google Patents
紙用柔軟剤およびそれを用いた紙の製造方法 Download PDFInfo
- Publication number
- WO2007094388A1 WO2007094388A1 PCT/JP2007/052682 JP2007052682W WO2007094388A1 WO 2007094388 A1 WO2007094388 A1 WO 2007094388A1 JP 2007052682 W JP2007052682 W JP 2007052682W WO 2007094388 A1 WO2007094388 A1 WO 2007094388A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paper
- acid
- softener
- compound
- amidoamine
- Prior art date
Links
- 239000004902 Softening Agent Substances 0.000 title abstract description 7
- 238000000034 method Methods 0.000 title description 29
- -1 diamide diamine compound Chemical class 0.000 claims abstract description 48
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims description 56
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 14
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000000123 paper Substances 0.000 description 159
- 230000000052 comparative effect Effects 0.000 description 29
- 239000006185 dispersion Substances 0.000 description 24
- 238000005452 bending Methods 0.000 description 21
- 150000001412 amines Chemical class 0.000 description 18
- 239000002253 acid Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 16
- 238000003786 synthesis reaction Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000013055 pulp slurry Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 235000011054 acetic acid Nutrition 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- ZQPPMHVWECSIRJ-MDZDMXLPSA-N elaidic acid Chemical compound CCCCCCCC\C=C\CCCCCCCC(O)=O ZQPPMHVWECSIRJ-MDZDMXLPSA-N 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000006408 oxalic acid Nutrition 0.000 description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000004166 Lanolin Substances 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 229940039717 lanolin Drugs 0.000 description 2
- 235000019388 lanolin Nutrition 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNQNDUWTYJKINF-UHFFFAOYSA-N n'-(2-aminoethyl)ethane-1,2-diamine;octadecanamide Chemical compound NCCNCCN.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O VNQNDUWTYJKINF-UHFFFAOYSA-N 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- WGOROJDSDNILMB-UHFFFAOYSA-N octatriacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O WGOROJDSDNILMB-UHFFFAOYSA-N 0.000 description 2
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
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- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
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- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 1
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- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
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- 235000021357 Behenic acid Nutrition 0.000 description 1
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- 235000021353 Lignoceric acid Nutrition 0.000 description 1
- CQXMAMUUWHYSIY-UHFFFAOYSA-N Lignoceric acid Natural products CCCCCCCCCCCCCCCCCCCCCCCC(=O)OCCC1=CC=C(O)C=C1 CQXMAMUUWHYSIY-UHFFFAOYSA-N 0.000 description 1
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- IUNMPGNGSSIWFP-UHFFFAOYSA-N dimethylaminopropylamine Chemical compound CN(C)CCCN IUNMPGNGSSIWFP-UHFFFAOYSA-N 0.000 description 1
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- BITHHVVYSMSWAG-UHFFFAOYSA-N eicosenoic acid Natural products CCCCCCCCC=CCCCCCCCCCC(O)=O BITHHVVYSMSWAG-UHFFFAOYSA-N 0.000 description 1
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- 235000011187 glycerol Nutrition 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
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- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
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- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
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- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/22—Agents rendering paper porous, absorbent or bulky
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/34—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups
- C07C233/35—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/36—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
Definitions
- the present invention relates to a paper softening agent and a method for producing paper using the same. More specifically
- the present invention relates to a paper softening agent that can impart excellent flexibility to paper without reducing paper strength, and a method for producing such a paper.
- Patent Document 1 discloses a paper softener comprising lanolin or a lanolin derivative.
- Patent Document 2 discloses a paper softener containing urethane alcohol or a cationic product thereof as an active ingredient.
- Patent Document 3 discloses a paper softener containing pyrrolidonecarboxylic acid or a salt thereof.
- these paper softeners cannot give the paper enough flexibility.
- Patent Document 4 discloses a method for producing a flexible thin paper, in which a di-long chain alkyl type quaternary ammonium salt is added to a pulp slurry.
- Patent Document 5 discloses a paper softener composition comprising a di-long-chain alkyl type quaternary ammonium salt, glycerin, and water or an alcohol having 4 or less carbon atoms.
- Patent Document 6 discloses a paper softener comprising a long-chain alkyl type quaternary ammonium salt, an unsaturated fatty acid having 8 to 24 carbon atoms, and an ester compound of fatty acid and pentaerythritol.
- these softeners can give some flexibility to the paper, but greatly reduce the paper strength.
- Patent Document 7 discloses a paper softener containing a water-soluble heat-reactive urethane resin as an essential component.
- Patent Document 8 discloses a paper modifier containing a compound obtained by reacting an alkylene oxide and a higher fatty acid with polyalkyleneimine.
- Patent Document 9 discloses a paper softener comprising an aminoammonium salt. Strength This softener cannot provide sufficient paper strength.
- Patent Document 1 Japanese Patent Laid-Open No. 53-147803
- Patent Document 2 JP-A-60-139897
- Patent Document 3 JP-A-7-189170
- Patent Document 4 Japanese Unexamined Patent Publication No. 63-165597
- Patent Document 5 Japanese Patent Laid-Open No. 4-100995
- Patent Document 6 JP-A-7-189171
- Patent Document 7 Japanese Patent Laid-Open No. 6-257098
- Patent Document 8 Japanese Unexamined Patent Application Publication No. 2005-82949
- Patent Document 9 Japanese Patent Laid-Open No. 2001-355197
- An object of the present invention is to provide a paper softening agent capable of imparting excellent flexibility to paper while minimizing a decrease in paper strength, and a method for producing paper using the same.
- the present inventor has found that a paper softener containing a specific diamide diamine compound or a salt thereof and a specific amidoamine compound or a salt thereof in a specific mass ratio minimizes a decrease in paper strength.
- the specific diamide diamine compound or a salt thereof is represented by the general formula (1), and the chain part A is a residue of a dicarboxylic acid having 4 to 12 carbon atoms, R 2 , R 5 , and R 6 are alkyl groups having 1 to 4 carbon atoms, and R 3 and R 4 are alkylene groups having 2 to 4 carbon atoms.
- the specific amidoamine compound or a salt thereof is represented by the general formula (2), and R 7 CO has a carbon number of 10
- An acylo group having ⁇ 24, R 8 is an alkylene group having 2 to 4 carbon atoms, and R 9 and R 10 are alkyl groups having 1 to 4 carbon atoms.
- the mass ratio of the diamidodiamin component / amidoamine component is 5/95 to 90/10.
- the paper softener is added to the pulp in 100 parts by mass. It is characterized by adding ⁇ 8 parts by mass.
- the paper softener of the present invention comprises a diamide diamine compound (DA) or a salt thereof (hereinafter referred to as a diamide diamine component), an amidoamine compound (AA) or a salt thereof (hereinafter referred to as an amidoamine component). Said).
- DA diamide diamine compound
- AA amidoamine compound
- amidoamine component a salt thereof
- the diamide diamine compound (DA) is represented by the following general formula (1).
- the chain part A is a residue of a dicarboxylic acid having 4 to 12 carbon atoms
- R 6 is an alkyl group having 1 to 4 carbon atoms
- each of R 3 and R 4 is an alkylene group having 2 to 4 carbon atoms.
- Examples of the dicarboxylic acid include succinic acid, gnoretaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, dodecanedioic acid, maleic acid, fumaric acid, phthalic acid, isophthalic acid, and Examples include terephthalic acid.
- the carbon number is 6-1 0 dicarboxylic acids are preferred. When the number of carbon atoms exceeds 12, such a softener for paper containing a diamide diamine compound imparts flexibility to the paper, but the resulting diamide diamine compound has a high melting point and may be difficult to handle. .
- R 2 , R 5 , and R 6 include a methylol group, an ethyl group, a propyl group, an isopropyl group, a butyl group, and an isobutyl group. Of these, a methyl group and an ethyl group are preferred.
- a softener for paper containing a diamide diamine compound imparts flexibility to the paper, but the resulting diamide diamine compound has a high melting point and may be difficult to handle. is there.
- examples of R 3 and R 4 include an ethylene group, a propylene group, and a butylene group. Among these, a propylene group is preferable.
- the diamide diamine compound (DA) can be obtained by reacting a dialkylaminoalkylene amine with the dicarboxylic acid. This reaction is performed by a normal condensation reaction.
- the diamide diamine compound (DA) is neutralized with an organic acid or an organic acid which may be blended in a paper softener as it is, and is blended in a paper softener as a salt. Also good. Neutralization is preferred in that it facilitates handling of the diamide diamine compound and the paper softener.
- the acid include hydrochloric acid, sulfuric acid, carbonic acid, nitric acid, phosphoric acid, formic acid, acetic acid, propionic acid, butyric acid, glycololeic acid, lactic acid, dulconic acid, salicylic acid, hydroxyvaleric acid, aspartic acid, glutamic acid, taurine, sulfamic acid, etc. Is mentioned.
- the amount of these acids used can be set as appropriate depending on the conditions for using the paper softener, but is preferably equivalent to the amine value of the diamide diamine compound (DA).
- amidoamine compound (AA) will be described below.
- the amidoamine compound (AA) has a function of imparting a volume feeling to paper.
- the amidoamine compound (AA) used in the present invention is represented by the following general formula (2).
- R 7 CO is an acyl group having 10 to 24 carbon atoms
- R 8 is an alkylene group having 2 to 4 carbon atoms
- each of R 9 and R 10 has a carbon number. 1 to 4 alkyl groups.
- R 7 CO is an Ashiru group derived from a carboxylic acid of carbon number 10 to 24, as such carboxylic acids, for example, force purine acid, lauric acid, linderic acid, Myristic acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, isostearic acid, oleic acid, linoleic acid, linolenic acid, elaidic acid, araquinic acid, eicosenoic acid, behenic acid, erucic acid, lignoceric acid, cerakolene An acid etc. are mentioned. These carboxylic acids may be used alone or in combination of two or more.
- R 8 includes an ethylene group, a propylene group, a butylene group, and the like. Among these, a propylene group is preferable.
- examples of R 9 and R 1Q include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, and an isobutyl group. Of these, a methyl group and an ethyl group are preferred, and an ethyl group is particularly preferred.
- the amidoamine compound (AA) is obtained by reacting a dialkylaminoalkyleneamine with the carboxylic acid. This reaction is performed by a normal condensation reaction.
- the above-mentioned amidoamine compound (AA) may be blended as it is with a paper softener, or may be neutralized with an inorganic acid or an organic acid and blended as a salt with a paper softener.
- the neutralization is preferable in that the amidoamine compound and the paper softener can be easily handled.
- an acid used for neutralization of the above-mentioned diamide diamine compound (DA) can be used.
- the amount of these acids used can be appropriately set depending on the conditions for using the paper softener, but is preferably equivalent to the amine value of the amidoamine compound (AA).
- the paper softening agent of the present invention comprises the diamide diamine component (DA component) and the amido amine component (AA component).
- the mass ratio of the DA component and the AA component is 5/95 to 90 ZlO. It is preferred to be.
- a paper softener having a mass ratio of DA component to AA component of 5/95 to 90/10 can impart sufficient flexibility to paper while reducing a decrease in paper strength. Within this range, it is preferable that the mass ratio of DA component to AA component is adjusted to the range of 10/90 to 35/65 in order to give the paper further improved flexibility.
- the mass ratio of the DA component to the AA component is preferably adjusted to 50Z50 to 85Z15.
- the paper manufacturing method of the present invention is characterized in that the paper softener is used in paper manufacture.
- the paper softener is added so that the total of the DA component and the cocoon component is 0.06 to 8 parts by mass, preferably 0.0 :! to 4 parts by mass with respect to 100 parts by mass of the pulp. Carried out.
- the sum of the DA component and the cocoon component is less than 0.06 parts by mass, the effect of improving flexibility may be small. If the sum of the DA component and the cocoon component exceeds 8 parts by mass, the effect of improving the flexibility corresponding to the amount of paper softener used will not be obtained, but rather the cost of paper will be increased, which will be economically disadvantageous. .
- the pulp includes, for example, chemical pulp (exposed or unexposed kraft pulp of conifer or hardwood), mechanical pulp (grand pulp, thermomechanical two-ply pulp, chemisa one-mechanical two or more), Deinked pulp (newspaper, magazine paper, etc.) is used. These can be used alone or in combination.
- the paper softener of the present invention can be used in various steps in the production of paper.
- the paper softener can be added to the papermaking system at any stage of the papermaking process (internal addition method).
- the paper softener can also be applied to the surface of the pulp sheet obtained by the papermaking process (external addition method).
- an internal calorie method in which a paper softener is added to pulp slurry in the process of mixing, machine, and seed boxes in the papermaking process.
- an external addition method such as a size press, a gate roll, or a spray in which a paper softener is applied to the surface of a pulp sheet obtained by papermaking is employed.
- the internal addition method is preferably employed.
- a paper can be obtained by adding the paper softener to a mixture containing pulp and water (for example, pulp slurry) and making paper by a usual method.
- pulp machines such as long net paper machines, tie wire machines, Yankee machines and the like generally used for paper making can be used.
- Amidoamine compounds AA_2 to AA_4 were obtained in the same manner as in Synthesis Example 2.1 except that the amine (0.9 mol) and carboxylic acid (0.9 mol) shown in Table 2 were used.
- LBKP hardwood bleached pulp having a freeness of 400 mL was disaggregated using a disaggregator (manufactured by Kumagaya Riken Co., Ltd.) to prepare a pulp slurry containing 1% by mass of pulp. Place 400 g of this pulp slurry (pulp amount 4 g) in a 500 mL beaker and add 4 g of the paper softener dispersion of Reference Example 1 (the amount of diamidediamin compound DA_ 1 is 1.4 parts by mass with respect to 100 parts by mass of panolep). ) was added. Next, the mixture was stirred for 1 minute at 250 rpm by a turbine blade having a diameter of 4.5 cm.
- Bending stiffness is 4 ⁇ 41 X 10 _5 N'm 2 / m or more: flexibility is insufficient (X)
- the basis weight of the handsheet was measured according to JIS P8124. Further, the thickness was measured 10 points per handsheet using a JIS paper pressure measuring machine MEI-10 (manufactured by Citizen Watch Co., Ltd.), and the average of the 10 points of thickness was taken as the thickness of the handsheet.
- the sheet capacity V was determined from the following equation using the measured basis weight and thickness. Next, the sheet capacity V of the handsheet (comparative example 1) in which the paper softener was not used was obtained in the same procedure. V and V
- Sheet capacity V (cmVg) thickness (am) / basis weight (g / m 2 )
- Breaking length is 4.3 km or more: Paper strength is sufficiently low to reduce paper strength.
- Table 3 shows the amount of the salt of the diamide diamine compound (DA) contained in the dispersions of the paper softeners of Reference Examples 2 to 4.
- Handsheets were produced in the same procedure as in Reference Example 1 using the dispersion liquid for paper softeners in Reference Examples 2 to 4, and the obtained handsheets were evaluated. The results are shown in Table 3.
- Example 1 In a 200 mL beaker, 15.7 g of water exchanged water, 0.5 g of oxalic acid (corresponding to 1 equivalent of the total amine value of diamidediamine compound DA-1 and amidoamine compound AA-1) 1. 3 g of diamidamine compound DA-1 and 0.3 g of amidoamine compound AA_ 1 (mass ratio of salt of diamide diamine compound DA-1 and amidoamine compound AA-1 is 85/15) The mixture was stirred at ° C for 30 minutes to prepare a paper softener dispersion of Example 1. The paper softener dispersion of Example 1 contains 1.1% by mass of the salt of the diamide diamine compound DA-1. Using the paper softener dispersion of Example 1, handsheets were produced in the same procedure as in Reference Example 1, and the resulting handsheets were evaluated. The results are shown in Table 3. [0048] (Examples 2 to 4)
- Diamide diamine compound (DA) and amidoamine compound (AA) were charged at the mass ratio and type shown in Table 3, and the acid (based on the total amine number of diamide diamine compound (DA) and amidoamine compound (AA))
- paper softener dispersions of Examples 2 to 7 were obtained.
- Table 3 shows the amount of the salt of the diamidediamin compound (DA) contained in the paper softener dispersions of Examples 2 to 7.
- handsheets were produced in the same procedure as in Reference Example 1, and the obtained handsheets were evaluated. The results are shown in Table 3.
- a handsheet was produced by the same procedure as in Example 1 except that the type and mass ratio of the amidoamine compound (AA) and diamide diamine compound (DA) were changed. We evaluated the handsheets. The results are shown in Table 3.
- a handsheet was produced in the same procedure as in Reference Example 1 except that a 1% by mass aqueous solution of distearyldimethylammonium chloride was used as a paper softener, and the obtained handsheet was evaluated. The results are shown in Table 3.
- a handsheet was manufactured in the same manner as in Reference Example 1 except that a 1 mass 0 »ethanol solution of ethylenebisstearic acid amide was used as a paper softener. Evaluation of the resulting handsheet Went. The results are shown in Table 3.
- a handsheet was produced in the same manner as in Reference Example 1 except that the comparative diamidodiamin compound DA′_1 was used, and the obtained handsheet was evaluated. The results are shown in Table 3.
- Comparative Example 1 since no paper softener was used, paper with excellent flexibility could not be obtained. In Comparative Example 2, since distearyl dimethyl ammonium chloride was used, paper having sufficient paper strength could not be obtained. In Comparative Example 3, since a diamide compound (ethylenebisstearic acid amide) different from the diamide diamine compound (DA) used in the present invention was used, paper with poor flexibility was obtained. In Comparative Example 4, since a salt of an amidoamine compound composed of diethylenetriamine and sebacic acid was used, paper with poor flexibility was obtained. In Reference Example 5 in which the mass ratio of the amidoamine compound (AA) to the diamidodiamin compound (DA) is outside the range of 5Z 95 to 90/10, the volume feeling is inferior compared to Examples:! It was.
- diamide diamine compound DA_6 and DA_7 were prepared in the same manner as in Synthesis Example 1.5, respectively. Obtained.
- Amidoamine compounds AA_ 6 to AA_ 9 were obtained in the same manner as in Synthesis Example 2.5, except that the carboxylic acids (0.9 mol) and ammine (0.9 mol) listed in Table 5 were used. .
- a comparative amidoamine compound AA'_1 was obtained in the same manner as in Synthesis Example 2.5 except that the carboxylic acid (0.9 mol) and ammine (0.9 mol) listed in Table 5 were used. . [0063] [Table 5]
- a 200 mL beaker is charged with 158 lg of ion-exchanged water, 0.3 g of acetic acid (equivalent to 1 equivalent of the amine value of amidoamine compound AA-5), and 1.6 g of amidoamine compound AA-5, The mixture was stirred at ° C for 30 minutes to prepare a paper softener dispersion of Reference Example 6.
- the dispersion of the paper softener in Reference Example 6 contains 1.2% by mass of the salt of the amidoamine compound AA_5.
- LBKP hardwood bleached pulp having a freeness of 450 mL was disaggregated using a disaggregator (manufactured by Kumagaya Riken Co., Ltd.) to prepare a pulp slurry containing 1% by mass of pulp. 400 g of this panolep slurry (4 g of pulp) was placed in a 500 mL beaker, and 2 g of the paper softener dispersion of Reference Example 6 (the amount of amidoamine compound AA-5 salt was 0. 6 parts by mass) was added. Next, the mixture was stirred for 1 minute at 250 rpm by a turbine blade having a diameter of 4.5 cm.
- the obtained handsheet was evaluated for (1) bending flexibility (bending stiffness) and (2) tensile strength.
- the ratio with Comparative Example 5 is 90% or more: The tensile strength is very good with very little decrease in paper strength ( ⁇ )
- Ratio to Comparative Example 5 is 80% or more and less than 90%: Good decrease in paper strength and good tensile strength ( ⁇ )
- the ratio with Comparative Example 5 is less than 80%: The paper strength is remarkably lowered and the tensile strength is insufficient (X)
- Amidoamine compounds (AA) and acids listed in Table 6 (amides of amidoamine compounds (AA))
- Reference Examples 7 to 11 Table 6 shows the amount of the amidoamine compound (AA) salt contained in the paper softener dispersion of 11.
- handsheets were produced in the same procedure as in Reference Example 6 using the paper softener dispersion liquid of Reference Examples 7 to 11 and the resulting handsheets were evaluated. The results are shown in Table 6.
- a handsheet was produced in the same procedure as in Reference Example 6 except that the paper softener was not added, and the obtained handsheet was evaluated. The results are shown in Table 6.
- a handsheet was produced in the same procedure as in Reference Example 6 except that a 1% by weight ethanol solution of stearamide was used as a paper softener, and the resulting handsheet was evaluated. I got it. The results are shown in Table 6.
- a handsheet was produced in the same procedure as in Reference Example 6 except that a comparative amidoamine compound AA′-1 was used as a paper softener, and the obtained handsheet was evaluated. The results are shown in Table 6.
- a handsheet was produced in the same procedure as in Reference Example 6 except that diethylenetriamine bisstearamide neutralized with acetic acid was used as a paper softener, and the obtained handsheet was evaluated. The results are shown in Table 6.
- Comparative Example 5 since a paper softener was not used, a paper having poor bending flexibility was obtained.
- Comparative Example 6 since a stearic acid amide different from the paper softener of the present invention was used as the paper softener, paper with poor bending flexibility was obtained.
- Comparative Example 7 a salt of an amidoamine compound having a carbon number of R 7 CO of less than 10 (2-ethylhexanoic acid (carbon number 8)), which is different from the paper softener of the present invention, is used as the paper softener. Therefore, paper with poor bending flexibility was obtained.
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Abstract
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Priority Applications (4)
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EP07714212.3A EP1992738B1 (en) | 2006-02-15 | 2007-02-15 | Softening agent for paper and method for making paper by using same |
US12/278,305 US7947151B2 (en) | 2006-02-15 | 2007-02-15 | Softening agent for paper and method for making paper by using same |
CN2007800050333A CN101379243B (zh) | 2006-02-15 | 2007-02-15 | 纸用柔软剂及用其造纸的方法 |
CA002642543A CA2642543A1 (en) | 2006-02-15 | 2007-02-15 | Softening agent for paper and method for making paper by using same |
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JP2006-038560 | 2006-02-15 | ||
JP2006038560A JP4940685B2 (ja) | 2006-02-15 | 2006-02-15 | 紙用柔軟剤およびそれを用いた紙の製造方法 |
JP2006045769A JP5111770B2 (ja) | 2006-02-22 | 2006-02-22 | 紙用柔軟剤組成物およびそれを用いた紙の製造方法 |
JP2006-045769 | 2006-02-22 |
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US (1) | US7947151B2 (ja) |
EP (1) | EP1992738B1 (ja) |
KR (1) | KR20080103054A (ja) |
CA (1) | CA2642543A1 (ja) |
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- 2007-02-15 KR KR1020087020564A patent/KR20080103054A/ko not_active Application Discontinuation
- 2007-02-15 US US12/278,305 patent/US7947151B2/en not_active Expired - Fee Related
- 2007-02-15 CA CA002642543A patent/CA2642543A1/en not_active Abandoned
- 2007-02-15 TW TW096105645A patent/TWI395857B/zh not_active IP Right Cessation
- 2007-02-15 EP EP07714212.3A patent/EP1992738B1/en not_active Expired - Fee Related
- 2007-02-15 WO PCT/JP2007/052682 patent/WO2007094388A1/ja active Application Filing
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007270396A (ja) * | 2006-03-31 | 2007-10-18 | Nof Corp | 紙用柔軟剤 |
JP2007270399A (ja) * | 2006-03-31 | 2007-10-18 | Nof Corp | 紙用柔軟剤 |
JP2007270400A (ja) * | 2006-03-31 | 2007-10-18 | Nof Corp | 紙用柔軟剤 |
JP2009041159A (ja) * | 2007-08-10 | 2009-02-26 | Nof Corp | 紙用柔軟剤 |
Also Published As
Publication number | Publication date |
---|---|
KR20080103054A (ko) | 2008-11-26 |
EP1992738B1 (en) | 2013-07-31 |
EP1992738A4 (en) | 2012-11-28 |
TW200801283A (en) | 2008-01-01 |
US7947151B2 (en) | 2011-05-24 |
EP1992738A1 (en) | 2008-11-19 |
CA2642543A1 (en) | 2007-08-23 |
TWI395857B (zh) | 2013-05-11 |
US20090014139A1 (en) | 2009-01-15 |
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